31400233206361 has 8 divisors (see below), whose sum is σ = 31515516293184. Its totient is φ = 31285034550000.

The previous prime is 31400233206343. The next prime is 31400233206403. The reversal of 31400233206361 is 16360233200413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31400233206361 - 2⁹ = 31400233205849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31400233206761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20362390 + ... + 21850111.

It is an arithmetic number, because the mean of its divisors is an integer number (3939439536648).

Almost surely, 2^{31400233206361} is an apocalyptic number.

It is an amenable number.

31400233206361 is a deficient number, since it is larger than the sum of its proper divisors (115283086823).

31400233206361 is a wasteful number, since it uses less digits than its factorization.

31400233206361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42215231.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 31400233206361 its reverse (16360233200413), we get a palindrome (47760466406774).

The spelling of 31400233206361 in words is "thirty-one trillion, four hundred billion, two hundred thirty-three million, two hundred six thousand, three hundred sixty-one".